By Olivier Constance. Car Wiring. Publised at Thursday, December 28th 2017, 10:09:08 AM. Wires are usually connected to components by plastic-covered terminals which push on to a blade on the unit called a spade terminal. Nearly all types of terminals should be fitted to the wire with crimping pliers. There are a few types such as the "Scotchlok" which are secured by clips. For additional security, you can add solder to the wire.
By Gaspard Magalie. Motor Wiring. Published at Monday, November 06th 2017, 04:29:01 AM. Bipolar motors have a single winding per phase. The current in a winding needs to be reversed in order to reverse a magnetic pole, so the driving circuit must be more complicated, typically with an H-bridge arrangement "however there are several off-the-shelf driver chips available to make this a simple affair". There are two leads per phase, none are common.Static friction effects using an H-bridge have been observed with certain drive topologies.
By Olivier Constance. Electrical Wiring. Published at Thursday, November 02nd 2017, 20:16:28 PM. You can also see that I’ve made it very easy for heat to move away from the regulator (U1) and into the ambient environment or into other portions of the PCB. U1’s thermal tab is connected to a large copper pour, and this copper pour is shot through with vias that conduct heat down to the internal ground plane. If I were really worried about thermal issues I could also connect these vias to a copper pour on the bottom side of the board, but in this case, it would have been total overkill.
By Dorian Yannic. Electrical Wiring. Published at Tuesday, October 31st 2017, 22:07:54 PM. The datasheet states (see image below) that this IC—specifically the CMOSens® technology that it uses—is "designed for mass production." Umm, should not this go without saying? I have seen datasheets state "not recommended for new designs," but I do not ever recall seeing one that specifies that the IC, or its underlying technology, is designed for mass production. This benefit makes me question if Sensirion has other ICs that are in fact not designed for mass production. It is all a bit puzzling. Have you seen other IC datasheets call this out? If so, please let us know.
By Fleurette Nina. Motor Wiring. Published at Monday, October 30th 2017, 15:14:10 PM. What is commonly referred to as microstepping is often sine–cosine microstepping in which the winding current approximates a sinusoidal AC waveform. Sine–cosine microstepping is the most common form, but other waveforms can be used. Regardless of the waveform used, as the microsteps become smaller, motor operation becomes more smooth, thereby greatly reducing resonance in any parts the motor may be connected to, as well as the motor itself. Resolution will be limited by the mechanical stiction, backlash, and other sources of error between the motor and the end device. Gear reducers may be used to increase resolution of positioning.
By Gaspard Magalie. Motor Wiring. Published at Sunday, October 29th 2017, 19:30:59 PM. The two wires of the brushed dc motor can be thought of as forward and reverse. The three wires of brushless can be thought of as 1, 2 and 3. Going forward would be this sequence 1-2, 2-3, 3-1, 1-2, etc. Going backwards would be 1-3, 3-2, 2-1, 1-3, etc. What this means is that one third of the motor is helping maintain momentum while another third is pulling the motor in a new direction.
By Claudine Nicolette. Car Wiring. Published at Saturday, October 28th 2017, 06:56:10 AM. With all those things to worry about, many enthusiasts overlook the electrical wiring system. A lousy wiring job will keep your electrical accessories from operating at full potential—and that means subpar performance. Many people are intimidated by the prospect of wiring a vehicle. But a proper wiring job doesn’t have to be a scary task—we’ve put together a few tips to help make the job a little bit smoother.
By Olivier Constance. Electrical Wiring. Published at Friday, October 27th 2017, 15:32:39 PM. Processing irregular and fragile PCBs in standard assembly machines is often a challenge. Due to their non-standard dimensions, the oddly shaped, thin, or fragile boards do not fit properly in the reflow, component placement, or other standard processing machines. Lack of adequate support and alignment may strain, bend or damage the fragile boards as they go through the processing system. In addition, this may impact the accuracy of the process.
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